Below is the final position of Game 7, with Lu Ning 6d of China as Black vs. Park 7d of Korea, of the ongoing China-Korea Amateur SuperGo Match -- the "Shuanglong Qiju" Cup, named after a maker of game sets based in Luoyang, China. For the complete game record, see http://duiyi.sina.com.cn/cGibo/201012/louivbn.SGF.
$$B Moves 161 to 163 $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O O O O O . X X . . X O . . . . . | $$ | . O X O X O X X X O X X X X O . . . . | $$ | . O X X X X O O O O . . X O . , X . . | $$ | . O O X . . X X . . . . . . . X . . . | $$ | X O O X X X O O . . O . . . . . X . . | $$ | . X X O X X X O X X . . X X X X O O . | $$ | . O O O O X O X O . . O X O O O . . . | $$ | . X X . O X . X O . O . O . . . . . . | $$ | . . . , O . . X . , . X . . O , O . . | $$ | . . X O . . . . . O . O . O . . . . . | $$ | . . X 2 . . O O . O X X X X X X X . . | $$ | . . 3 X O X O X O . X O O X . O . . . | $$ | . . X O O X X X X X X O X . X . . . . | $$ | . X O . . . . . . O . O O . O O . O . | $$ | . X . O 1 . X X . O . O . . O , O . . | $$ | . . O . . O O O . . . . . X X X X O X | $$ | . . . . . . . . . . . . . . . . . X . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------
[go]$$B Moves 161 to 163 $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O O O O O . X X . . X O . . . . . | $$ | . O X O X O X X X O X X X X O . . . . | $$ | . O X X X X O O O O . . X O . , X . . | $$ | . O O X . . X X . . . . . . . X . . . | $$ | X O O X X X O O . . O . . . . . X . . | $$ | . X X O X X X O X X . . X X X X O O . | $$ | . O O O O X O X O . . O X O O O . . . | $$ | . X X . O X . X O . O . O . . . . . . | $$ | . . . , O . . X . , . X . . O , O . . | $$ | . . X O . . . . . O . O . O . . . . . | $$ | . . X 2 . . O O . O X X X X X X X . . | $$ | . . 3 X O X O X O . X O O X . O . . . | $$ | . . X O O X X X X X X O X . X . . . . | $$ | . X O . . . . . . O . O O . O O . O . | $$ | . X . O 1 . X X . O . O . . O , O . . | $$ | . . O . . O O O . . . . . X X X X O X | $$ | . . . . . . . . . . . . . . . . . X . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
was hailed as a brilliant move. After the exchange (probably just to allow white a bit more time to read out the sequences), white resigned.
Do you see why the black dragon is alive?
Re: Reading Exercise
Posted: Sun Dec 19, 2010 1:55 am
by daal
hiyayang wrote: Do you see why the black dragon is alive?
No. I need a hint. What's black's response to 1? (please hide any responses to my post, so as not to ruin the problem for others).
$$W Hopeless White 164? $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O O O O O . X X . . X O . . . . . | $$ | . O X O X O X X X O X X X X O . . . . | $$ | . O X X X X O O O O . . X O . , X . . | $$ | . O O X . . X X . . . . . . . X . . . | $$ | X O O X X X O O . . O . . . . . X . . | $$ | . X X O X X X O X X . . X X X X O O . | $$ | . O O O O X O X O . . O X O O O . . . | $$ | . X X . O X . X O . O . O . . . . . . | $$ | . . . , O . . X . , . X . . O , O . . | $$ | . . X O . . . . . O . O . O . . . . . | $$ | . . X O . . O O . O X X X X X X X . . | $$ | . . X X O X O X O . X O O X . O 1 . . | $$ | . . X O O X X X X X X O X . X . . . . | $$ | . X O . . . . . . O . O O . O O . O . | $$ | . X . O X . X X . O . O . . O , O . . | $$ | . . O . . O O O . . . . . X X X X O X | $$ | . . . . . . . . . . . . . . . . . X . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------
[go]$$W Hopeless White 164? $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O O O O O . X X . . X O . . . . . | $$ | . O X O X O X X X O X X X X O . . . . | $$ | . O X X X X O O O O . . X O . , X . . | $$ | . O O X . . X X . . . . . . . X . . . | $$ | X O O X X X O O . . O . . . . . X . . | $$ | . X X O X X X O X X . . X X X X O O . | $$ | . O O O O X O X O . . O X O O O . . . | $$ | . X X . O X . X O . O . O . . . . . . | $$ | . . . , O . . X . , . X . . O , O . . | $$ | . . X O . . . . . O . O . O . . . . . | $$ | . . X O . . O O . O X X X X X X X . . | $$ | . . X X O X O X O . X O O X . O 1 . . | $$ | . . X O O X X X X X X O X . X . . . . | $$ | . X O . . . . . . O . O O . O O . O . | $$ | . X . O X . X X . O . O . . O , O . . | $$ | . . O . . O O O . . . . . X X X X O X | $$ | . . . . . . . . . . . . . . . . . X . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
Re: Reading Exercise
Posted: Mon Dec 20, 2010 5:24 am
by hiyayang
daal wrote: No. I need a hint. What's black's response to 1? (please hide any responses to my post, so as not to ruin the problem for others).
I think it could go like this after White 164:
$$W Hopeless White 164? $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O O O O O . X X . . X O . . . . . | $$ | . O X O X O X X X O X X X X O . . . . | $$ | . O X X X X O O O O . . X O . , X . . | $$ | . O O X . . X X . . . . . . . X . . . | $$ | X O O X X X O O . . O . . . . . X . . | $$ | . X X O X X X O X X . . X X X X O O . | $$ | . O O O O X O X O . . O X O O O . . . | $$ | . X X . O X . X O . O . O . . . . . . | $$ | . . . , O . . X . , . X . . O , O . . | $$ | . . X O . 3 . . . O . O . O . . . . . | $$ | . . X O a 2 O O . O X X X X X X X . . | $$ | . . X X O X O X O . X O O X . O 1 . . | $$ | . . X O O X X X X X X O X . X . . . . | $$ | . X O 5 4 . . . . O . O O . O O . O . | $$ | . X . O X . X X . O . O . . O , O . . | $$ | . . O b 6 O O O c . . . . X X X X O X | $$ | . . . . . . . . . . . . . . . . . X . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------
[go]$$W Hopeless White 164? $$ --------------------------------------- $$ | . . . . . . . . . . . . . . . . . . . | $$ | . . O O O O O . X X . . X O . . . . . | $$ | . O X O X O X X X O X X X X O . . . . | $$ | . O X X X X O O O O . . X O . , X . . | $$ | . O O X . . X X . . . . . . . X . . . | $$ | X O O X X X O O . . O . . . . . X . . | $$ | . X X O X X X O X X . . X X X X O O . | $$ | . O O O O X O X O . . O X O O O . . . | $$ | . X X . O X . X O . O . O . . . . . . | $$ | . . . , O . . X . , . X . . O , O . . | $$ | . . X O . 3 . . . O . O . O . . . . . | $$ | . . X O a 2 O O . O X X X X X X X . . | $$ | . . X X O X O X O . X O O X . O 1 . . | $$ | . . X O O X X X X X X O X . X . . . . | $$ | . X O 5 4 . . . . O . O O . O O . O . | $$ | . X . O X . X X . O . O . . O , O . . | $$ | . . O b 6 O O O c . . . . X X X X O X | $$ | . . . . . . . . . . . . . . . . . X . | $$ | . . . . . . . . . . . . . . . . . . . | $$ ---------------------------------------[/go]
Because of the weak spots at a, b and c in its own groups, white wouldn't have time to prevent black from creating another eye at the bottom.
was hailed as a brilliant move. After the 
exchange (probably just to allow white a bit more time to read out the sequences), white resigned.